Design and operation of septic tanks /
Design and operation of septic tanks /
third European Seminar for Sanitary Engineers, 27 October-1 November 1952, London, England.
- Geneva : World Health Organization, 1953.
- 122 p.
- World Health Organization monograph series ; no. 18 .
eng fre.
9241400188
Sewage--congresses.
WA 785
eng fre.
9241400188
Sewage--congresses.
WA 785